Clock



FIG. 1 is a front elevational view of a clock showing my new design, the broken-line showing of a bow-tie and hour numerals being environmental only and forming no part of the claimed design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a top plan view thereof as taken from the rear;

FIG. 6 is a bottom plan view thereof as taken from the rear. 

The ornamental design for a clock, as shown and described. 